connector - documentation: simplify netlink message length assignment

Use the precalculated size instead of obfuscating the message length
calculation by first subtracting the netlink header length from size
and then use the NLMSG_LENGTH() macro to add it back again.

Signed-off-by: Mathias Krause <minipli@googlemail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Mathias Krause 2013-09-30 22:03:09 +02:00 committed by David S. Miller
parent ac73bf50b7
commit 05742faf25

View file

@ -71,7 +71,7 @@ static int netlink_send(int s, struct cn_msg *msg)
nlh->nlmsg_seq = seq++;
nlh->nlmsg_pid = getpid();
nlh->nlmsg_type = NLMSG_DONE;
nlh->nlmsg_len = NLMSG_LENGTH(size - sizeof(*nlh));
nlh->nlmsg_len = size;
nlh->nlmsg_flags = 0;
m = NLMSG_DATA(nlh);